Finding the Fourth Proportional to 16,216,655.12, 22,378,633.80 and 8,874,456.56
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Solution
The fourth proportional to 16,216,655.12, 22,378,633.80 and 8,874,456.56 is: 12,246,558.37
Step by Step Solution
- Step 1: Write the proportion equation
16,216,655.12 : 22,378,633.80 = 8,874,456.56 : x - Step 2: Convert to fraction form
16,216,655.12/22,378,633.80 = 8,874,456.56/x - Step 3: Cross multiply
16,216,655.12x = 22,378,633.80 × 8,874,456.56 - Step 4: Simplify right side
16,216,655.12x = 198,598,213,530,247.75 - Step 5: Solve for x
x = 198,598,213,530,247.75/16,216,655.12 - Step 6: Final answer
x = 12,246,558.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.